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2020 – today
- 2025
[c10]Meng-Chieh Lee, Qi Zhu, Costas Mavromatis, Zhen Han, Soji Adeshina, Vassilis N. Ioannidis, Huzefa Rangwala, Christos Faloutsos:
HybGRAG: Hybrid Retrieval-Augmented Generation on Textual and Relational Knowledge Bases. ACL (1) 2025: 879-893- [c9]Costas Mavromatis, George Karypis:
GNN-RAG: Graph Neural Retrieval for Efficient Large Language Model Reasoning on Knowledge Graphs. ACL (Findings) 2025: 16682-16699 - [i12]Costas Mavromatis, Soji Adeshina, Vassilis N. Ioannidis, Zhen Han, Qi Zhu, Ian Robinson, Bryan Thompson, Huzefa Rangwala, George Karypis:
BYOKG-RAG: Multi-Strategy Graph Retrieval for Knowledge Graph Question Answering. CoRR abs/2507.04127 (2025) - 2024
- [c8]Costas Mavromatis, Balasubramaniam Srinivasan, Zhengyuan Shen, Jiani Zhang, Huzefa Rangwala, Christos Faloutsos, George Karypis:
CoverICL: Selective Annotation for In-Context Learning via Active Graph Coverage. EMNLP 2024: 21268-21286 - [c7]Costas Mavromatis, Petros Karypis, George Karypis:
SemPool: Simple, Robust, and Interpretable KG Pooling for Enhancing Language Models. PKDD (4) 2024: 154-166 - [i11]Costas Mavromatis, Petros Karypis, George Karypis:
SemPool: Simple, robust, and interpretable KG pooling for enhancing language models. CoRR abs/2402.02289 (2024) - [i10]Costas Mavromatis, Petros Karypis, George Karypis:
Pack of LLMs: Model Fusion at Test-Time via Perplexity Optimization. CoRR abs/2404.11531 (2024) - [i9]Costas Mavromatis, George Karypis:
GNN-RAG: Graph Neural Retrieval for Large Language Model Reasoning. CoRR abs/2405.20139 (2024) - [i8]Meng-Chieh Lee, Qi Zhu, Costas Mavromatis, Zhen Han, Soji Adeshina, Vassilis N. Ioannidis, Huzefa Rangwala, Christos Faloutsos:
HybGRAG: Hybrid Retrieval-Augmented Generation on Textual and Relational Knowledge Bases. CoRR abs/2412.16311 (2024) - 2023
- [c6]Costas Mavromatis, George Karypis:
Global and Nodal Mutual Information Maximization in Heterogeneous Graphs. ICASSP 2023: 1-5 - [c5]Costas Mavromatis, Vassilis N. Ioannidis, Shen Wang, Da Zheng, Soji Adeshina, Jun Ma, Han Zhao, Christos Faloutsos, George Karypis:
Train Your Own GNN Teacher: Graph-Aware Distillation on Textual Graphs. ECML/PKDD (3) 2023: 157-173 - [i7]Costas Mavromatis, Vassilis N. Ioannidis, Shen Wang, Da Zheng, Soji Adeshina, Jun Ma, Han Zhao, Christos Faloutsos, George Karypis:
Train Your Own GNN Teacher: Graph-Aware Distillation on Textual Graphs. CoRR abs/2304.10668 (2023) - [i6]Costas Mavromatis, Balasubramaniam Srinivasan, Zhengyuan Shen, Jiani Zhang, Huzefa Rangwala, Christos Faloutsos, George Karypis:
Which Examples to Annotate for In-Context Learning? Towards Effective and Efficient Selection. CoRR abs/2310.20046 (2023) - 2022
- [c4]Costas Mavromatis, Prasanna Lakkur Subramanyam
, Vassilis N. Ioannidis, Adesoji Adeshina, Phillip Ryan Howard, Tetiana Grinberg, Nagib Hakim, George Karypis:
TempoQR: Temporal Question Reasoning over Knowledge Graphs. AAAI 2022: 5825-5833 - [c3]Costas Mavromatis, George Karypis:
ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs. EMNLP (Findings) 2022: 2447-2458 - [i5]Costas Mavromatis, George Karypis:
ReaRev: Adaptive Reasoning for Question Answering over Knowledge Graphs. CoRR abs/2210.13650 (2022) - 2021
- [c2]Costas Mavromatis, George Karypis:
Graph InfoClust: Maximizing Coarse-Grain Mutual Information in Graphs. PAKDD (1) 2021: 541-553 - [i4]Konstantinos D. Polyzos, Costas Mavromatis, Vassilis N. Ioannidis, Georgios B. Giannakis:
Unveiling Anomalous Edges and Nominal Connectivity of Attributed Networks. CoRR abs/2104.08637 (2021) - [i3]Costas Mavromatis, George Karypis:
HeMI: Multi-view Embedding in Heterogeneous Graphs. CoRR abs/2109.07008 (2021) - [i2]Costas Mavromatis, Prasanna Lakkur Subramanyam, Vassilis N. Ioannidis, Soji Adeshina, Phillip Ryan Howard, Tetiana Grinberg, Nagib Hakim, George Karypis:
TempoQR: Temporal Question Reasoning over Knowledge Graphs. CoRR abs/2112.05785 (2021) - 2020
- [c1]Konstantinos D. Polyzos, Costas Mavromatis, Vassilis N. Ioannidis, Georgios B. Giannakis:
Unveiling Anomalous Edges and Nominal Connectivity of Attributed Networks. ACSSC 2020: 726-730 - [i1]Costas Mavromatis, George Karypis:
Graph InfoClust: Leveraging cluster-level node information for unsupervised graph representation learning. CoRR abs/2009.06946 (2020)
Coauthor Index
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